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Cambridge has regulations that require buildings to reduce their greenhouse gas emissions, be fossil fuel free, be energy efficient, improve resiliency, and prepare for the impacts of climate change.

This 2011 plan seeks to create a vision for how the Charles River may become an even more valuable resource than it already is, one that is more easily useable for everyone and provides a richer and more inviting experience.

The City of Cambridge announced that the City’s basketball courts, playgrounds, tot lots, and water play structures will reopen for public use on Monday, June 29. Residents should follow all applicable City and State Public Health guidance and guidelines related to the use of these facilities.

In 2019, CWD analyzed benthic macroinvertebrates in four tributaries in the Cambridge surface water supply watershed. These results are presented in the 2019 Benthic Macroinvertebrate Report.

Cambridge has carefully planned and created policies that gave the City a unified roadmap and enforceable standards to cut building greenhouse gas emissions and energy use, reduce waste and electrify transportation, and harden infrastructure citywide. They also institutionalized accountability for measurable outcomes.

POSTPONED: Now Sunday, September 22nd! Annual bike tour of the Cambridge Watershed. CWD staff and UrbanAdventours guide residents through the drinking water supply, stopping at critical locations, such as reservoir dams.

While the Commonwealth this week downgraded Cambridge and the Northeast Region from a Level 2 Significant Drought to a Level 1 Mild Drought, the City's primary water source remains at near recent historic lows. Cambridge residents, businesses, and institutions are urged to continue conserving water to help protect the City's water supply and support the reservoir's long-term recovery.

Leaving pet waste on the sidewalk or lawn allows harmful bacteria to be washed into stormdrains and into our water bodies.

Pet waste has bacteria that is harmful to our water and makes our ponds and rivers unsafe for swimming and other recreational activities.